– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Fri 22 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Fri 22 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Fri 22 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryMostly dry. Warm (max 20°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 16°C on Wed afternoon, min 7°C on Mon night). Wind will be generally light. | ||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  | |  | | | | | |  | |
clear | some clouds | some clouds | rain shwrs | some clouds | some clouds | clear | rain shwrs | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | 0.1 | — | — | — | 0.1 | 0.3 | 4 | 4 | 0.7 | 1.8 | 0.5 | 0.1 | 0.1 | — | |
max °C | 20 | 17 | 15 | 17 | 13 | 14 | 16 | 15 | 13 | 12 | 8 | 9 | 11 | 11 | 13 | 16 | 13 |
min °C | 20 | 11 | 14 | 17 | 8 | 10 | 16 | 12 | 12 | 9 | 7 | 7 | 10 | 8 | 10 | 15 | 9 |
20 | 11 | 14 | 17 | 8 | 10 | 16 | 11 | 11 | 7 | 7 | 7 | 10 | 8 | 10 | 15 | 9 | |
3000 | 2900 | 2850 | 2900 | 2650 | 2500 | 2750 | 2500 | 2250 | 1900 | 1700 | 1850 | 2150 | 2600 | 3050 | 3150 | 3350 | |
Cloud base (m) | 2700 | 6650 | 2350 | 6050 | 3050 | 2900 | 2300 | 1500 | 600 | 650 | 750 | 2050 | 900 | 1800 | |||
 | — | — | 5:16 | — | — | 5:16 | — | — | 5:15 | — | — | 5:13 | — | — | 5:13 | — | — |
 | — | 8:51 | — | — | 8:52 | — | — | 8:52 | — | — | 8:53 | — | — | 8:54 | — | — | 8:57 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 20°C on Fri afternoon, min 8°C on Sat night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Mon afternoon. Very mild (max 16°C on Wed afternoon, min 7°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.